List of Rare Earth Elements

Group of element – Rare Earth

Name Symbol Atomic Number Atomic weigth
Cerium Ce 58 140.115
Praseodymium Pr 59 140.90765
Neodymium Nd 60 144.24
Promethium Pm 61 -144.9127
Samarium Sm 62 150.36
Europium Eu 63 151.965
Gadolinium Gd 64 157.25
Terbium Tb 65 158.92534
Dysprosium Dy 66 162.5
Holmium Ho 67 164.93032
Erbium Er 68 167.26
Thulium Tm 69 168.93421
Ytterbium Yb 70 173.04
Lutetium Lu 71 174.967
Thorium Th 90 232.0381
Protactinium Pa 91 231.03588
Uranium U 92 238.0289
Neptunium Np 93 -237.0482
Plutonium Pu 94 -244.0642
Americium Am 95 -243.0614
Curium Cm 96 -247.0703
Berkelium Bk 97 -247.0703
Californium Cf 98 -251.0796
Einsteinium Es 99 -252.083
Fermium Fm 100 -257.0951
Mendelevium Md 101 -258.0984
Nobelium No 102 -259.1011
Lawrencium Lr 103 -262.1098